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Chapter 10

Diseases of the respiratory system

J00–J99

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FY 2027 effective October 1, 2026 · 65 categories in this chapter

Blocks in This Chapter

ICD-10-CM groups this chapter's categories into 11 blocks of three-character categories.

  1. J00 –J06 Acute upper respiratory infections
  2. J09 –J18 Influenza and pneumonia
  3. J20 –J22 Other acute lower respiratory infections
  4. J30 –J39 Other diseases of upper respiratory tract
  5. J40 –J4B Chronic lower respiratory diseases
  6. J60 –J70 Lung diseases due to external agents
  7. J80 –J84 Other respiratory diseases principally affecting the interstitium
  8. J85 –J86 Suppurative and necrotic conditions of the lower respiratory tract
  9. J90 –J94 Other diseases of the pleura
  10. J95 Intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified
  11. J96 –J99 Other diseases of the respiratory system

Categories

Acute upper respiratory infections (J00-J06)

Influenza and pneumonia (J09-J18)

Other acute lower respiratory infections (J20-J22)

Other diseases of upper respiratory tract (J30-J39)

Chronic lower respiratory diseases (J40-J4B)

Lung diseases due to external agents (J60-J70)

Other respiratory diseases principally affecting the interstitium (J80-J84)

Suppurative and necrotic conditions of the lower respiratory tract (J85-J86)

Other diseases of the pleura (J90-J94)

Intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified (J95)

Other diseases of the respiratory system (J96-J99)